Home / 19,978,289.02-27,559,882.96-12,135,720.52

Finding the Fourth Proportional to 19,978,289.02, 27,559,882.96 and 12,135,720.52

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Solution

The fourth proportional to 19,978,289.02, 27,559,882.96 and 12,135,720.52 is: 16,741,125.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,978,289.02 : 27,559,882.96 = 12,135,720.52 : x
  2. Step 2: Convert to fraction form
    19,978,289.02/27,559,882.96 = 12,135,720.52/x
  3. Step 3: Cross multiply
    19,978,289.02x = 27,559,882.96 × 12,135,720.52
  4. Step 4: Simplify right side
    19,978,289.02x = 334,459,037,166,470.31
  5. Step 5: Solve for x
    x = 334,459,037,166,470.31/19,978,289.02
  6. Step 6: Final answer
    x = 16,741,125.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.